Page 4 - PPT
P. 4
Stars
At night, we see many stars in
the sky. Stars are big balls of
fire like the Sun. They look
very small because they are
ve r y sm a l l b e c a u se t h e y a r e
very far from us. Stars do not
actually twinkle. They only
appear to twinkle due to
disturbances in the Earth’s
atmosphere.
